Solve the equation by using a graphing utility.
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A.
B.
C.
D.
E.
Answer: A
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Solve by graphing. Label the axes and show where the solution is located on the graph.The value, v, in hundreds of dollars, of Juan's computer is approximated by where t is the number of years since he first bought the computer.(a) Sketch the graph the equation.
(b) Find the missing coordinate for the ordered pair solution (4, ? ).(c) Interpret the point from part (b).(d) Find and interpret the y-intercept.(e) What does the x-intercept represent in this problem?
A. (a)
(b) (4, 600); (c) The value of Juan's computer
is $600 after 4 years of ownership.; (d) The
y-intercept, (0, 1200) indicates that the value
of Juan's computer was $1200 when he first
bought it.; (e) The x-intercept, (8, 0)
indicates that after 8 years, Juan's computer
will be worthless ($0).
B. (a)
(b) (4, 1800); (c) The value of Juan's computer
is $1800 after 4 years of ownership.; (d) The
y-intercept, (0, 1200) indicates that the value
of Juan's computer was $1200 when he first
bought it.; (e) The x-intercept, (8, 0)
indicates that after 8 years, Juan's computer
will be worthless ($0).
C. (a)
(b) (4, 1800); (c) The value of Juan's computer
is $1800 after 4 years of ownership.; (d) The
y-intercept, (0, 1200) indicates that the value
of Juan's computer was $1200 when he first
bought it.; (e) The x-intercept, (12, 0)
indicates that after 12 years, Juan's computer
will be worthless ($0).
D. (a)
(b) (4, 600); (c) The value of Juan's computer
is $600 after 4 years of ownership.; (d) The
y-intercept, (0, 1200) indicates that the value
of Juan's computer was $1200 when he first
bought it.; (e) The x-intercept, (12, 0)
indicates that after 12 years, Juan's computer
will be worthless ($0).
Classify as true or false, assuming that a, b, c, and d are whole numbers and d ? 0.If d and d
, then d
for any whole numbers x and y.
A. True B. False
Solve the problem.The roof of a building is in the shape of the hyperbola where x and y are in meters. Determine the distance, w, between the outside walls.A = 10 m
A. 6.25 m B. 12.5 m C. 12.7 m D. 39 m
Find all the x-values that meet the stated condition.For f(x) = x2 + 10x + 24, find all x-values for which f(x) > 0.
A. (-4, ?), or {xx > -4}
B. (-6, -4), or {x-6 < x < -4}
C. (-?, -6) ? (-4, ?), or {xx < -6 or x > -4}
D. (-?, -6), or {xx < -6}